Domain Social Forums

I developed one website? How to do on page & off page for that website??? Please explain step by step????

On page- The on page refers to the settings that you can apply to your website so that, it can optimize the search engine.
Off page- The off page refers to the settings that is used to improve the position of website that is available in search engine result page.

When it comes to on-page SEO, I’m sure you’ve heard enough about meta tags and keyword density for one lifetime.
Here are the things that you should take care on On-Page.
->Use SEO-Friendly URLs. ...
->Start Title With Keyword. ...
->Add Modifiers To Your Title. ...
>Wrap Your Blog Post Title in an H1 Tag. ...
->Wrap Subheadings in H2 Tags. ...
->Use Responsive Design.
For Off-Page:
->Social Networking Sites.
-> Blogging.
-> Blog Marketing.
-> Forum Marketing.
-> Search Engine Submission.
-> Directory Submission.
-> Social Bookmarking.
-> Local Listings.
-> Article Submission.